靖西黃檀檢視原始碼討論檢視歷史
| 靖西黃檀 |
 |
|
中文學名： 靖西黃檀 拉丁學名：Dalbergia jingxiensis S.Y.Liu 科： 豆科 界： 植物界 門： 被子植物門 綱： 雙子葉植物綱 亞綱： 原始花被亞綱 英文名： Hubei Rosewood 目： 薔薇目 族： 黃檀族 屬： 黃檀屬 種： 靖西黃檀 分布區域： 熱帶地區 |
靖西黃檀(jìng xī huáng tán)，學名 Dalbergia jingxiensis S. Y. Liu，喬木屬，高10-20米；樹皮暗灰色，呈薄片狀剝落。幼枝淡綠色，無毛。羽狀複葉長15-25厘米；小葉3-5對，近革質，橢圓形至長圓狀橢圓形，長3.5-6厘米，寬2.5-4厘米，先端鈍．或稍凹入，基部圓形或闊楔形，兩面無毛，細脈隆起，上面有黃檀（學名：Dalbergia hupeana Hance），蝶形花科，黃檀屬喬木植物。樹皮暗灰色，羽狀複葉，圓錐花序、花冠淡紫色或白色，莢果長圓形或闊舌狀，花果期5-10月。 [1]
形態特點
Shrubs, 2-3 m tall. Branches spreading; branchlets grayish black, densely yellowish brown pubescent, glabrescent, lenti-cellate. Leaves 4-11 cm; petiole 8-12 mm, puberulent as ra-chis;
leaflets 5-15, abaxially light green, adaxially green, ob-long, 1-3.5 × 0.8-1.5 cm, abaxially sparsely appressed light brown pubescent and veins prominent, adaxially sparsely ap-pressed grayish white pubescent and veins slightly impressed, base broadly cuneate or subrounded, margin revolute, apex rounded, obtuse, or emarginate, cuspidate;
petiolules ca. 2 mm, densely light brown pubescent; terminal leaflet obovate-oblong. Panicles terminal and axillary, few branched, 2-5 × 1-3.5 cm, densely dirty brown pubescent.
Flowers small, compact. Pedi-cel 1-2 mm. Calyx campanulate, 5-6 mm, densely blackish brown appressed hispidulous; tube ca. 4 mm, 5-toothed; teeth triangular or triangular-oblong, ca. 1 mm, lowest one longer than others, ca. 1.5 mm, inside densely pubescent, apex acumi-nate, rounded, or obtuse.
Corolla white; petals subequal in length, clawed, claw 2-3 mm; standard obovate, orbicular, or suborbicular, sometimes cucullate, 3-4 × 2-2.5 mm, slightly unequally sided, apex rounded, obtuse, or emarginate;
wings oblong; keel obovate-oblong, as wings ca. 4 mm and auriculate on upper side below. Stamens 9, monadelphous, 4-5 mm; fila-ments alternately longer and shorter, occasionally among them 1 or 2 reduced and enlarged to petaloid.
Ovary long stipitate, oblong, 1.5-2 mm, glabrous, 2- or 3-ovuled; style slender, ca. 2 mm; stigma small. Legume unknown. Fl. Jan-Feb.
分類文獻
FOC >> Vol.10 (2010) >> Fabaceae >> Dalbergia 16.Dalbergia jingxiensis S. Y. Liu J. Trop. Subtrop. Bot. 12: 575. 2004. 靖西黃檀 jing xi huang tan
產地生境
● Rocky hills, thickets. Guangxi (Jingxi).
標本鑑定信息
學名 Dalbergia jingxiensis S.Y.Liu 中文名 靖西黃檀 鑑定人 S.Y.Liu 鑑定時間 19881031 模式類型 Isotypus
採集信息
採集人 劉壽養 採集號 002968 採集時間 20000117 採集地 中國 廣西壯族自治區 海拔 生境 丘陵，灌叢中 習性 灌木 物候期 有花無果